Repairing, providing and fixing of AC unit accessories for various AC units under the jurisdiction of SM(E)Zone-4, MTNL Mumbai.

Amount

Supply & Installation of new condenser coil for 3.0TR existing Ductable AC unit including dismantling of old defective condenser coil with the help of brazing set and deposit the defective coil in the store of same building complete as required.

Supply & Installation of new condenser coil for 5.0TR/5.5TR/7.5TR/8.5TR existing Package/Ductable AC unit including dismantling of old defective condenser coil with the help of brazing set and deposit the defective coil in the store of same building complete as required.

Supply & Installation of new evaporator coil for 3.0TR existing Ductable AC unit including dismantling of old defective evaporator coil with the help of brazing set and deposit the defective coil in the store of same building complete as required.

Supply & Installation of new evaporator coil for 5.0TR/5.5TR existing Package/Ductable AC unit including dismantling of old defective Evaporator coil with the help of brazing set and deposit the defective coil in the store of same building complete as required.

Supply & Installation of new evaporator coil for 7.5TR/8.5TR existing Package/Ductable AC unit including dismantling of old defective Evaporator coil with the help of brazing set and deposit the defective coil in the store of same building complete as required.

Supply & Installation of new evaporator coil for 10TR/11TR existing Package/Ductable AC unit including dismantling of old defective Evaporator coil with the help of brazing set and deposit the defective coil in the store of same building complete as required.

Supply & installation including nitrogen testing of following nominal sizes of soft drawn/hard drawn copper refrigerant piping for air-conditioning system, complete with fittings, with suitable supports, jointing/brazing including all accessories and dismantling of defective copper pipe and deposit the defective material to desired location in same building as per specifications etc. as required.

6.4mm dia (OD)

9.5mm dia (OD)

12.7mm dia (OD)

15.86mm dia (OD)

19.1mm dia (OD)

22.2mm dia (OD)

Supply & fixing of site fabricated rectangular type G.I. sheet metal ducting i/c air mixing, air distribution system, complete thickness gauge i/c nut bolts & gasket etc. as required.

a) 24 gauge G.I. Sheet

b) 22 gauge G.I. Sheet

S/I/T/C/ of Ball bearing or gunmetal bush including dismantling of motor and rewinding of existing blower motor (3 phase/ single phase) & and refixing the same for package AC units complete as required.

Blower motor up-to and including 3hp rating

Blower motor above 3hp rating

S/I/T/C of ball bearing or gunmetal bush including dismantling of motor & rewinding of existing condenser fan motor (3 phase/single phase) & refixing the same for following type of AC units complete as required:

Package AC units (5TR or above)

Ductable AC units (5TR or above)

Supply, installation, testing & commissioning of following accessories for different type of AC units complete as required:

Condenser fan motor for package AC units (5.0TR or above)

Condenser fan motor for ductable AC units (5.0TR or above)

Condenser fan blade for package/ductable AC units (5TR or above)

V-belt for package AC units

Dryer for package / ductable AC units (5TR to 8.5TR)

Contactors for compressor/blower (upto 25amps) for package AC units including electrical connections

S/I/T/C of blower shaft for Package AC units complete as required.

Overload relay of compressor/blower for package AC units

LP Switch/HP Switch for package/ductable AC units

Package AC unit controller card/PCB

Single Phase preventer for Package AC/Ductable AC units

Blower for Indoor unit of Package AC/Ductable AC units

Thermostatic sensor for Indoor unit of Package AC/Ductable AC units.

Supply & Installation of compressor of following type and rating suitable to operate on single phase 220V+/- 10%, 50Hz or three phase 440V+/- 10%, 50Hz AC supply for package/ductable/multi split/split/window AC units complete as required

3.75TR to 5TR scroll/hermetic sealed reciprocating compressor

Supply of fireproof flexible double canvas connection for package AC/Ductable AC unit with G.I. frame on both sides of canvas complete as reqd.

Fixing of fireproof flexible double canvas connection with the package unit air outlet including gaskets, adhesive, nuts & bolts etc. complete as required.

Supply of 24G site fabricated rectangular type GI sheet metal ducting connection piece at the air outlet of Package AC/Ductable AC unit i/c flanges, nuts & bolts etc. complete as required (upto 3 sqmtrs.)

Supply & installation of thermostatic expansion valve for package/ductable AC units of 5tr to 7.5tr circuit complete as required

S/I/T/C of 415V, 3-pole/4-pole MCB ( 10Amps. To 63Apms.) for package/ductable AC units including electrical connection complete as required.

Supply, Installation, Testing & Commissioning of MPD for package AC/ Ductable AC units including making electrical connections complete as required

Supplying & fixing microprocessor-based AC controller with all accessories complete etc. as reqd. (M/s Presevi/ Powertech/ Mark & Space/ Vrinda Nano / Proton make)

Suitable for 2 Split AC units

Suitable for 3 split AC units

Suitable for 4 to 6 split AC units

S/F 20 A, 240 V, SPN Industrial type socket outlet, with 2 pole and earth, metal enclosed plug top along with 20 A, “C” curve, SP, MCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket out let and complete with connections, testing and commissioning etc. as required.

Supplying of chemical for evaporator coil/condenser coil and chemical wash of evaporator coil/condenser coil of ductable/package AC units complete as required

Providing and making MS structure work such as MS platform/duct supports/tray supports/frame for indoor and outdoor AC units i/n cutting, welding, painting with red oxide and then enamel oil paint of approved colour etc. complete as reqd. as per site location.

S/I/T/C of brass safety valve of suitable sizes for package AC units of 9TR/10TR complete as required

S/I/T/C of capacitor of suitable rating for condenser fan motor and compressor package/ductable AC un its i/c making connections etc. complete as required

Supply and charging R-22/R-410A/R-407C gas for top-up of refrigerant in the AC units complete as required.

Leakage testing & repairing of leaks with the help of brazing set followed by pressure testing of complete circuit with nitrogen gas, flushing of whole circuit, vacuuming and commissioning of AC unit complete as required ( each circuit).

Leakage testing & repairing of leaks with the help of brazing set followed by pressure testing of complete circuit with nitrogen gas, flushing of whole circuit, vacuuming and commissioning of 3.0TR Ductable AC unit complete as required.

Supply & installation of Pillow type ball bearings 2 nos. for blower shaft and dismantling of old ball bearings of package type AC unit complete as required.

Dismantling of old faulty display and Supply and fixing of new Indoor Unit Display for Package AC units complete as required.

Dismantling of old working compressor from non-working package/ductable AC unit and re-fixing of the same compressor to other working unit including additional oil, making connections within same location complete as required

Electrical repair work, set right the control wiring in existing panel of package/ductable AC unit including replacement of old contactors/relays from non-working machines to working package AC units complete as required.

Dismantling of old condenser unit from one package and refixing it against old faulty condensing unit of other machine in same location or other locations within city including making necessary connections using brazing set complete as required (loading, unloading, shifting & transportation extra at per item 39)

Dismantling of old 10TR Package AC indoor and outdoor unit, i/n its electrical connections , copper piping, old canvas and ducting connection & drain piping, and shifting the old material on the same floor complete as required.

Dismantling of old 5.5TR/8.5TR Package/Ductable AC indoor and outdoor unit, i/n its electrical connections , copper piping, old canvas and ducting connection & drain piping, and shifting the old material on the same floor complete as required.

Lifting of Indoor and Outdoor units of 10TR/11TR Package AC from one location in the building and Shifting it to the desired location on desired floor in the same building complete as required.

Lifting of Indoor and Outdoor units of 5.5TR/8.5TR Package/Ductable AC from one location in the building and Shifting it to the desired location on desired floor in the same building complete as required.

Installation of IDU & ODUs of package AC on existing Foundation/MS Stand including ducting connection piece, fixing of damper & fixing of flexible canvas connection complete as required.

Installation of IDU & ODUs of 5.5TR/8.5TR package/Ductable AC on existing Foundation/MS Stand including ducting connection piece, fixing of damper & fixing of flexible canvas connection complete as required.

Loading, unloading & Transportation of old Condenser of 5.0TR & Above units of Package AC/Ductable AC from one Location to another location within Mumbai region complete as required.

Loading, unloading & Transportation of old 10TR/11TR Package AC/Ductable AC Indoor Unit from one Location to another location within Mumbai region complete as required.

Loading, unloading & Transportation of old 5.5TR/8.5TR Package AC/Ductable AC Indoor Unit from one Location to another location within Mumbai region complete as required.

Providing and fixing of liquid line 5/8" dia ball valve including silver brazing complete as required.

Supplying & laying of 3C x 2.5sqmm. Flexible copper wire on the existing wall / ceiling for Power / Control cable etc. as reqd.

S/I/T/C of capacitor of suitable rating for condenser fan motor and compressor window/split AC un its i/c making connections etc. complete as required

Supplying, Laying & fixing of 8 SWG G.I. earth wire for earthing including fixing of hardware complete as required.

Providing & fixing cable tray for cables / refrigeration pipes / indoor units /outdoor units etc. fabricated out of M.S Channels/ Angles/ Flats/Slotted angles i/c cutting, welding, painting, drilling holes, fixing on existing surface etc complete as required.

a) 150mm wide M.S. slotted angle cable tray

b) 300mm wide M.S. slotted angle cable tray

Supplying and fixing of PVC insulated PVC sheathed copper conductor armoured cables of following sizes on the existing M.S. trays/walls with saddles, screws etc i/c end terminations of cables with glands etc. as required.

a) 4 x 10 sq. mm

b) 3x2.5sq. Mm

c) 4 x 6 Sq. mm

d) 2 x 1.5 Sq.mm.

e) 4 x 1.5 Sq.mm

f) 4x2.5sq. Mm Copper conductor flexible cable

c) 2C x 4 Sq. mm

Supply and laying of 14G copper earth wire for laying with copper armoured cables complete as required.

Unloading, Lifting, shifting, relaying of existing cable of following sizes from location to a different location including all necessary accessories and making all the connections complete as required.

4C x 6sqmm/4C x 10sqmm

4C x 1.5sqmm

Unloading, Lifting, shifting, relaying, flushing using nitrogen gas and commissioning of existing copper pipe of various sizes on existing cable tray for Ductable/Package AC units shifted from one location to a different location including all necessary accessories like saddle, copper elbow, coupler etc. complete as required.

5/8" Copper pipe Hard Drawn

7/8" Copper pipe Hard Drawn

1 1/8" Copper pipe Hard Drawn

Providing plumbing work for humidification circuits and drainage requirements including supply of cPVC/uPVC pipes, pipe fittings such as bends, reducers, elbows, tees, unions, flanges etc. for water supply/drain connection of various components of the system.

a) 38mm dia (NB)

b) 25mm dia (NB)

Dismantling of Old dampers and lifting and shifting the dampers to desired location inside the building as decided by the engineer-in-charge complete as required.

Dismantling of old ducting and lifting & shifting the material in same building as decided by the engineer-in-charge complete as required.

M/s Om Vaishnav Technocrates